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[Andy B]

I've changed one before ... about 4yrs (well ..... maybe 4 & half yrs ago) but I've question.....  :-/
The lower eccentric tensioner on a 3.0 car  :-/ what's it do? I know you could obviously say it tensions the cam belt, but as the last 2.6/3.2 cars have a fixed bearing it implies that it doesn't do that much.
The top/middle eccentric tensioner times 1 & 2 cams to 3 & 4 cams but I can't see what the relevance of the lower eccentric is.

What am I missing  :-?  :-? 

[pedroMV6]

I've changed one before ... about 4yrs (well ..... maybe 4 & half yrs ago) but I've question.....  :-/
The lower eccentric tensioner on a 3.0 car  :-/ what's it do? I know you could obviously say it tensions the cam belt, but as the last 2.6/3.2 cars have a fixed bearing it implies that it doesn't do that much.
The top/middle eccentric tensioner times 1 & 2 cams to 3 & 4 cams but I can't see what the relevance of the lower eccentric is.

What am I missing  :-?  :-? 

You don't need me to tell you that Andy!

[JamesV6CDX]

The lower one sets cams 3/4 into the correct position in relation to the crank - althoug as you say, on the later DBW cars, it's fixed-position

[Andy B]

I've changed one before ... about 4yrs (well ..... maybe 4 & half yrs ago) but I've question.....  :-/
The lower eccentric tensioner on a 3.0 car  :-/ what's it do? I know you could obviously say it tensions the cam belt, but as the last 2.6/3.2 cars have a fixed bearing it implies that it doesn't do that much.
The top/middle eccentric tensioner times 1 & 2 cams to 3 & 4 cams but I can't see what the relevance of the lower eccentric is.

What am I missing  :-?  :-? 

You don't need me to tell you that Andy!

err? thanks Pete!   

[pedroMV6]

I've changed one before ... about 4yrs (well ..... maybe 4 & half yrs ago) but I've question.....  :-/
The lower eccentric tensioner on a 3.0 car  :-/ what's it do? I know you could obviously say it tensions the cam belt, but as the last 2.6/3.2 cars have a fixed bearing it implies that it doesn't do that much.
The top/middle eccentric tensioner times 1 & 2 cams to 3 & 4 cams but I can't see what the relevance of the lower eccentric is.

What am I missing  :-?  :-? 

You don't need me to tell you that Andy!

err? thanks Pete!   

Any time, bud
At least James could answer your question though.

[Andy B]

The lower one sets cams 3/4 into the correct position in relation to the crank - althoug as you say, on the later DBW cars, it's fixed-position

It's on the slack side of the belt, so it doesn't really have a bearing/influence on the 3/4 cam timing.  :-/  :-/

[Andy B]

I've changed one before ... about 4yrs (well ..... maybe 4 & half yrs ago) but I've question.....  :-/
The lower eccentric tensioner on a 3.0 car  :-/ what's it do? I know you could obviously say it tensions the cam belt, but as the last 2.6/3.2 cars have a fixed bearing it implies that it doesn't do that much.
The top/middle eccentric tensioner times 1 & 2 cams to 3 & 4 cams but I can't see what the relevance of the lower eccentric is.

What am I missing  :-?  :-? 

You don't need me to tell you that Andy!

err? thanks Pete!   

Any time, bud
At least James could answer your question though.

    

[JamesV6CDX]

The lower one sets cams 3/4 into the correct position in relation to the crank - althoug as you say, on the later DBW cars, it's fixed-position

It's on the slack side of the belt, so it doesn't really have a bearing/influence on the 3/4 cam timing.  :-/  :-/

Try turning the arrow away from the (approx) 1pm position... you'll notice cams 3/4 don't line up with the timing gauge anymore... so I'd say it does influence timing? (Or should I say, the tension set by the adjustment on that concentrc idler, adjusts the timing on 3/4 bank? )

[Kevin Wood]

The lower one sets cams 3/4 into the correct position in relation to the crank - althoug as you say, on the later DBW cars, it's fixed-position

It's on the slack side of the belt, so it doesn't really have a bearing/influence on the 3/4 cam timing.  :-/  :-/

Crank rotates clockwise viewed from the front so it's the tight side  of the belt.

Kevin

[Andy B]

The lower one sets cams 3/4 into the correct position in relation to the crank - althoug as you say, on the later DBW cars, it's fixed-position

It's on the slack side of the belt, so it doesn't really have a bearing/influence on the 3/4 cam timing.  :-/  :-/

Try turning the arrow away from the (approx) 1pm position... you'll notice cams 3/4 don't line up with the timing gauge anymore... so I'd say it does influence timing? (Or should I say, the tension set by the adjustment on that concentrc idler, adjusts the timing on 3/4 bank? )

I've thought about it .. you're right, it's not on the slack side is it, it's on the tension side ... which is why the sprung tensioner is on the other side of the crank. 

[Andy B]

The lower one sets cams 3/4 into the correct position in relation to the crank - althoug as you say, on the later DBW cars, it's fixed-position

It's on the slack side of the belt, so it doesn't really have a bearing/influence on the 3/4 cam timing.  :-/  :-/

Crank rotates clockwise viewed from the front so it's the tight side  of the belt.

Kevin

As above, I've thought about Jame's post ...... 

[Andy B]

The wind got up too much ... Jimbob didn't call    ... so I called it a day. I just need the plenum  & the throttle cable fitting now. I'll finish it Monday 

[feeutfo]

with the later cars, with set bottom idler, i wondered why the top middle idler cant be set as well? only setting needed would be tension....

machine tolerances perhaps...? :-/

[Kaycee]

just  point i was thinking of buying one of those lazer kits is there a problem with them as i have to look at an oil that is suspect from the camshaft seal

[Kaycee]

edit(oil leak from the front i meant to say )